40858224 has 40 divisors (see below), whose sum is σ = 115147392. Its totient is φ = 12381120.

The previous prime is 40858219. The next prime is 40858229. The reversal of 40858224 is 42285804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40858219) and next prime (40858229).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40858229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38164 + ... + 39219.

Almost surely, 2^40858224 is an apocalyptic number.

40858224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40858224 is an abundant number, since it is smaller than the sum of its proper divisors (74289168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40858224 is a wasteful number, since it uses less digits than its factorization.

40858224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77405 (or 77399 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 40858224 is about 6392.0438046058. The cubic root of 40858224 is about 344.4238061246.

The spelling of 40858224 in words is "forty million, eight hundred fifty-eight thousand, two hundred twenty-four".